package com.yunhai.xc.conf.redis;

import java.lang.reflect.Method;

import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.CachingConfigurerSupport;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.cache.interceptor.KeyGenerator;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheManager;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;

@Configuration
@EnableCaching
public class RedisCacheConfig extends CachingConfigurerSupport {
	@Bean
	public KeyGenerator KeyGenerator() {
		return new KeyGenerator() {
			@Override
			public Object generate(Object target, Method method, Object... params) {
				StringBuilder sb = new StringBuilder();
				sb.append(target.getClass().getName());
				sb.append(method.getName());
				for (Object obj : params) {
					sb.append(obj.toString());
				}
				return sb.toString();
			}
		};
	}

	@Bean
	public CacheManager cacheManager(RedisTemplate<Object, Object> redisTemplate) {
		return new RedisCacheManager(redisTemplate);
	}

	@Bean
	public RedisTemplate<Object, Object> redisTemplate(RedisConnectionFactory factory) {
		RedisTemplate<Object, Object> template = new RedisTemplate<Object, Object>();
		template.setConnectionFactory(factory);
		Jackson2JsonRedisSerializer<Object> jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer<Object>(
				Object.class);
		ObjectMapper om = new ObjectMapper();
		om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
		om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
		jackson2JsonRedisSerializer.setObjectMapper(om);
		template.setValueSerializer(jackson2JsonRedisSerializer);
		// template.setKeySerializer(new RedisObjectSerializer());不写默认jdk序列化手段,数据以字节流存储
		//http://shift-alt-ctrl.iteye.com/blog/1887370
		template.afterPropertiesSet();

		return template;
	}

}
